| Service |
Technique |
Foundation |
Equipment |
| E coli MPN (includes fecal and total coliform assays) |
multiple-tubes |
NMX-AA-42-1987 |
Analytical balance, pH meter, heating grill with autoclave agitator, laminar flow hood, incubator |
| E. coli MPN (includes coliform fecal bacteria assay ) MPN |
multiple-tubes
|
NMX-AA-42-1987 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Fecal coliform bacteria (includes total coliform assays) |
multiple-tubes |
NMX-AA-42-1987 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Fecal coliform bacteria (MPN) |
multiple-tubes |
NMX-AA-42-1987 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Total coliform bacteria (MPN) |
multiple-tubes |
NMX-AA-42-1987 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting bacteria of the genus Aeromonas |
Inoculation by scraping the surface with a glass rod |
STANDARD
METHODS (1989) |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting bacteria of the genus Pseudomonas |
Inoculation by scraping the surface with a glass rod |
STANDARD
METHODS (1989) |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting bacteria of the genus Vibrio |
Inoculation by scraping the surface with a glass rod |
Handbook of techniques and procedures to investigate Vibrio
cholerae in water for food |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting marine heterotrophic bacteria |
Inoculation by scraping the surface with a glass rod |
STANDARD
METHODS (1989) |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting aerobic mesophilic bacteria |
Inoculation by scraping the surface with a glass rod |
NOM-092-SSA1-1994 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting aerobic mesophilic / membrane bacteria |
Filtration method in membrane |
STANDARD
METHODS (1989) |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting philamentous fungi |
Inoculation of proportions
|
NMX-F-255-1978 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Counting yeast |
Inoculation of proportions
|
NMX-F-255-1978 |
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Identifying bacteria of the genus Pseudomonas |
Biochemical assays |
|
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Identifying bacteria of the genus Vibrio |
Biochemical assays |
|
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |
| Identifying aeromonas genus |
Biochemical assays
|
|
Analytical balance, pH meter, heating grill with autoclave agitator,
laminar flow hood, incubator |